These days if you say “Nexus” the only thing you’re bound to think of is Google’s Nexus One Android Phone by HTC – ESPECIALLY if you’re the tech-loving type. But less than 2 months ago the name Nexus meant something very different to the Android world. That’s because Sony Ericsson announced Nexus , their custom build and UI for Android that was made up of 2 components: Timescape and MediaScape. HTC Sense, MOTO BLUR, Sony Ericsson Nexus… that name had taken its place in Android history. And then Google erased it.

Be very afraid. Just kidding. Well, half kidding. It could very well be the standard from the get-go, due to Google brand name backing and the easy to remember 8.8.8.8 and 8.8.4.4 addresses.

Do you want Google to know every single web site and page you have visited? Some people may not care, but some people concerned with privacy.

If you’re already a huge Google fan and first-mover, then you probably don’t really care that they can read your email, office documents, calendar, voice mail, health records, and have a picture of your house.

Most of us aren’t familiar with DNS because it’s often handled automatically by our Internet Service Provider (ISP), but it provides an essential function for the web. You could think of it as the switchboard of the Internet, converting easy-to-remember domain names – e.g., http://www.google.com – into the unique Internet Protocol (IP) numbers – e.g., 74.125.45.100 – that computers use to communicate with one another.

Google Public DNS, then, aims to replace your ISP’s default DNS with a (hopefully) faster, safer, and more reliable alternative. Google Public DNS isn’t the first freely available alternate DNS we’ve seen